The E1MG-CWDM80-1590-LW CWDM SFP transceiver operates at 1 Gbps/2G Fibre Channel over Singlemode Fiber at 1590nm with a maximum reach of 80 Kilometers. OEM Compatible transceivers are MSA compliant for seamless integration and RoHS compliant for environmental conformity. All transceivers are 100% tested for functionality and compatibility and backed by a Lifetime Replacement Warranty.